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An interactive intro to CRDTs
CRDTs don't have to be all academic papers and math jargon. Learn what CRDTs are and how they work through interactive visualizations and code samples.
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The latest blog posts to take off on Hacker News. 8,469 posts.
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Working on Multiple Web Projects with Docker Compose and Traefik
Docker Compose is a brilliant tool for bringing up local development environments for web projects. But working with multiple projects can be a pain due to clashes. For example, all projects want to listen to port 80 (or perhaps one of the super common higher ones like 8000 etc.). This forces developers to only bring…
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Extism makes WebAssembly easy
An exploration of how Extism makes it easy to use WebAssembly
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What every software developer must know about Unicode in 2023
Modern extension to classic 2003 article by Joel Spolsky
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CSS solves auto-expanding textareas (probably, eventually)
I’ll cut to the chase before I type too many more words: textarea { field-sizing: content; /* used to be `form-sizing` but changed to this */ } I came across it via an Amit Merchant blog post…
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Draggable objects
Many of my interactive pages have a draggable object . I want the reader to move the object around, and I want the diagram to respond in some way. Here I’ll document the code I use to make this work with both mouse and touch input, using browser features that are widely supported since 2020. Here’s a common case I…
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Why are websites requesting access to motion sensors on my desktop? (2019)
I was checking the status of a FedEx order when Brave warned me that “this site has been blocked from accessing your motion sensors”. I’m struggling to understand why a website would need that access. Do I get a different experience if I drop my device? Tip my monitor over? Spin the mouse around?
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The saga of the Closure compiler, and why TypeScript won
This post looks at the Closure Compiler, Google's tool from the mid-2000s for adding types to JavaScript. It looks at how its focus on minification led to very different design choices than TypeScript, and how this and a few other factors led to TypeScript becoming the ubiquitous solution for JavaScript + types. The…
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You can now use WebGPU in Cloudflare Workers
Today, we are introducing WebGPU support to Cloudflare Workers. This blog will explain why it's important, why we did it, how you can use it, and what comes next
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Firefox 118
Automated translation of web content is now available to Firefox users! Unlike cloud-based alternatives, translation is done locally in Firefox, so that the text being translated does not leave your machine. Many thanks to the various partners of the EU R&D Bergamot project.
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TypeScript NPM Packages Done Right
Learn how to make your TypeScript npm packages accessible and usable by a wider audience in our easy-to-follow tutorial.
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State of HTML 2023 now open
While the survey will be open for 3 weeks, responses entered within the first 9 days (until October 1st) will have a much higher impact on the Web, as preliminary data will be used to inform Interop 2024 proposals.
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Sidenotes in Web Design
In typography/design, ‘sidenotes’ place footnotes/endnotes in the margins for easier reading. I discuss design choices, HTML implementations and their pros/cons.
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Haskell WebAssembly in the Browser
As far as I know this is the first Haskell program compiled to Webassembly (WASM) with mainline ghc and using the browser DOM.
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Android 14 adds support for using your smartphone as a webcam
Starting in Android 14, it may not be necessary to use a third-party app to turn your smartphone into a webcam for your PC, as that functionality is getting baked into the Android OS itself — though there’s a catch.
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Speeding up the JavaScript ecosystem – Polyfills gone rogue
Many popular npm packages depend on 6-8x more packages than they need to. Most of these are unnecessary polyfills and it's one of the key reasons node_modules folders are so large. The eslint ecosystem seems to be most affected by this.
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Most UI applications are broken real-time applications
I’ve been programming for a long time. When I say long time, I mean decades, with an S. Hopefully that’s long enough. In that time my experience has primarily been programming for contemporary platforms, e.g. Linux, Windows, macOS on desktop-class or server-class CPU architectures. Recently, I embarked on building a…
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Svelte 5: Runes
Rethinking ‘rethinking reactivity’
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Writing HTML by hand
Behind the scenes - how I'm making redblobgames.com - interactive explanations of game development algorithms and math
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Smashing the state machine: the true potential of web race conditions
For too long, web race condition attacks have focused on a tiny handful of scenarios. Their true potential has been masked thanks to tricky workflows, missing tooling, and simple network jitter hiding
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Web apps are better than no apps
There’s a certain community in tech that’s very vocal about their preference toward native apps. I share that sentiment, yet sometimes people take this …
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What will LLM-powered software look like in the medium-term future?
Recently, I started working on a new LLM-oriented project . It’s currently far from feature-complete and probably filled with bugs, but I’m hoping to use it as a platform for exploring a question I’ve been considering a lot lately: what will LLM-powered software look like in the medium-term future? It seems undeniable…
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How to build a IP geolocation database from scratch?
Download a free IPv4 and IPv6 geolocation database (CSV, CC BY-SA 4.0), or the commercial one with full coverage in CSV and MMDB, updated at least twice a week.
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How far back in time can I take my website's design?
A look back through web-browser history, as I test my site against the browsers of the past.
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My Little MillionDollarHomepage Garden
Back around the time I convinced my family to switch from a 56 kb/s dial-up modem to ADSL, the website milliondollarhomepage.com was launched, and quickly became an Internet phenomenon, selling pixels for advertising space on a 1000x1000 canvas. 18 years later, the homepage is still standing, proudly displaying the…